Answers created by Jack

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• How do you combine like terms in `(v^{2} - 5v - 2) + ( 3v^{2} - 7v + 4)`?
  
• The amount of material needed to cover a ball varies directly with the square of the radius. It takes about 221.63 cm2 of material to cover a ball with a radius of 4.2 cm. What is the radius of a ball that needs 352.92 cm2 of material to cover it?
  
• A circle's center is at `(4 ,0 )` and it passes through `(6 ,9 )`. What is the length of an arc covering `(5pi ) /3` radians on the circle?
  
• How do you simplify `(4+4i)/(2i)`?
  
• How much time is required for 48.96 C of charge to move through an electric juicer if the current through the juicer is 1.39 A?
  
• How do you solve `(4x + 3)^2 = 6`?
  
• How do you evaluate `sin^-1(sin((4pi)/3))` without a calculator?
  
• Question #86d96
  
• Question #341dd
  
• 0.11% of what number is 3.3?
  
• What is the metric unit for measuring mass?
  
• How do you write a quadratic equation in standard form that has two solutions, 6, and -10 with the leading coefficient one?
  
• How do you evaluate the integral `int 1/root3x` from -1 to 1?
  
• What is `3x-4y=12` in slope-intercept form?
  
• How do you convert `(4, 0)` into polar form?
  
• How many electrons are there in the neutral atom `"_9^19F`?